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Finding the Fourth Proportional to 265,875.72, 366,899.54 and 158,390.08

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Solution

The fourth proportional to 265,875.72, 366,899.54 and 158,390.08 is: 218,572.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,875.72 : 366,899.54 = 158,390.08 : x
  2. Step 2: Convert to fraction form
    265,875.72/366,899.54 = 158,390.08/x
  3. Step 3: Cross multiply
    265,875.72x = 366,899.54 × 158,390.08
  4. Step 4: Simplify right side
    265,875.72x = 58,113,247,492.56
  5. Step 5: Solve for x
    x = 58,113,247,492.56/265,875.72
  6. Step 6: Final answer
    x = 218,572.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.